Downloading Media Files from server daily at a particular time on a day

Hi to All,
Actually I am building an application which downloads all the
media files from the server(includes both video and images) after
the download is complete. I will start the slide show of the
downloaded media files accessing them m locally.
ow my problem is I have to download all the media files once
in a day at a particular time on a day from the server(The time is
set in backend).
I can acheive this by running a process and connecting to a
server. But if I close the application window how the process can
run and how it can download media files from the server daily.
Is there a way so that I can create two applications one for
downloading the media files from the server which runs always and
runs in the background. Another one is my main application which
displays the media files that are downloaded and saved in the local
filesystem.
All suggestions are appreciated.
Thanks.

From what I have read you have two options.  None of them very nice.  One , allow the user to select the files he would like to download , send them out as one fat daddy zip file.  The second option is to cue up the selected downloads.  When one finishes , the other starts , basically daisy chaining them together.  However , you may be able to use javascript to get around this , I'm not sure I stay away from that stuff.

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